# 爆発
## Japanese

Kanji in this term :
| 爆 | 発 |
| ばく Grade: S | はつ Grade: 3 |
| on'yomi ||
* Alternative spelling
* 爆發 (kyūjitai)

### Etymology

/pakupatu/ → /bakufat͡su/ → /bakuhat͡su/
From Middle Chinese compound 爆發 / 爆发 (pɑk pjot, literally “burst, explode + fly or send forth”). Compare modern Min Nan reading po̍k-hoat.

### Pronunciation

* (Tokyo) ばくはつ [bàkúhátsú] (Heiban – [0])
* IPA: [ba̠kɯ̟̊ha̠t͡sɨ]

### Noun

爆(ばく)発(はつ) • (bakuhatsu)
* explosion, blast, detonation
* eruption

#### Derived terms

* 爆(ばく)発(はつ)音(おん) (bakuhatsuon): sound of an explosion
* 爆(ばく)発(はつ)管(かん) (bakuhatsukan): detonator
* 爆(ばく)発(はつ)性(せい) (bakuhatsusei): explosiveness
* 爆(ばく)発(はつ)的(てき) (bakuhatsuteki): explosive, tremendous
* 爆(ばく)発(はつ)物(ぶつ) (bakuhatsubutsu): explosive material
* 爆(ばく)発(はつ)力(りょく) (bakuhatsuryoku): explosive power
* 爆(ばく)発(はつ)物(ぶつ)取(とり)締(しまり)罰(ばっ)則(そく) (Bakuhatsubutsu Torishimari Bassoku): Explosive Substances Act
* 核(かく)爆(ばく)発(はつ) (kaku bakuhatsu): nuclear explosion
* 火(か)山(ざん)爆(ばく)発(はつ) (kazan bakuhatsu): volcanic explosion
* 原(げん)子(し)爆(ばく)発(はつ) (genshi bakuhatsu): atomic explosion
* 人(じん)口(こう)爆(ばく)発(はつ) (jinkō bakuhatsu): population explosion
* 炭(たん)塵(じん)爆(ばく)発(はつ) (tanjin bakuhatsu): explosion of coal dust
* 宇(う)宙(ちゅう)大(だい)爆(ばく)発(はつ) (uchū daibakuhatsu): Big Bang
* 偽(ぎ)装(そう)爆(ばく)発(はつ)物(ぶつ) (gisō bakuhatsubutsu): booby trap
* ハリファックス大(だい)爆(ばく)発(はつ) (Harifakkusu daibakuhatsu): The Halifax Explosion

#### Related terms

* 爆(ばく)薬(やく) (bakuyaku): explosive chemical, explosives

### Verb

爆(ばく)発(はつ)する • (bakuhatsu suru) suru (stem 爆(ばく)発(はつ)し (bakuhatsu shi), past 爆(ばく)発(はつ)した (bakuhatsu shita))
* to explode
* (Internet slang, humorous) to "explode"; to meet an end
    リア充(じゅう)爆(ばく)発(はつ)しろ ― riajū bakuhatsu shiro ― normies go die
    クリスマスを爆(ばく)発(はつ)させよう ― kurisumasu o bakuhatsu saseyō ― let's destroy Christmas
** For quotations using this term, see Citations:爆発.

#### Conjugation

Katsuyōkei ("stem forms") :
| Mizenkei ("imperfective") | 爆発し | ばくはつし | bakuhatsu shi |
| Ren’yōkei ("continuative") | 爆発し | ばくはつし | bakuhatsu shi |
| Shūshikei ("terminal") | 爆発する | ばくはつする | bakuhatsu suru |
| Rentaikei ("attributive") | 爆発する | ばくはつする | bakuhatsu suru |
| Kateikei ("hypothetical") | 爆発すれ | ばくはつすれ | bakuhatsu sure |
| Meireikei ("imperative") | 爆発せよ¹ 爆発しろ² | ばくはつせよ¹ ばくはつしろ² | bakuhatsu seyo¹ bakuhatsu shiro² |
| Key constructions ||||
| Passive | 爆発される | ばくはつされる | bakuhatsu sareru |
| Causative | 爆発させる 爆発さす | ばくはつさせる ばくはつさす | bakuhatsu saseru bakuhatsu sasu |
| Potential | 爆発できる | ばくはつできる | bakuhatsu dekiru |
| Volitional | 爆発しよう | ばくはつしよう | bakuhatsu shiyō |
| Negative | 爆発しない | ばくはつしない | bakuhatsu shinai |
| Negative continuative | 爆発せず | ばくはつせず | bakuhatsu sezu |
| Formal | 爆発します | ばくはつします | bakuhatsu shimasu |
| Perfective | 爆発した | ばくはつした | bakuhatsu shita |
| Conjunctive | 爆発して | ばくはつして | bakuhatsu shite |
| Hypothetical conditional | 爆発すれば | ばくはつすれば | bakuhatsu sureba |
| ¹ Written imperative ² Spoken imperative ||||

### References

* ↑ NHK Broadcasting Culture Research Institute, editor (1998), NHK日本語発音アクセント辞典 [NHK Japanese Pronunciation Accent Dictionary] (in Japanese), Tokyo: NHK Publishing, Inc., →ISBN
* ↑ Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese), Third edition, Tokyo: Sanseidō, →ISBN